# 先安装环境 sudo apt-get install gcc-mingw-w64, 检查环境  which x86_64-w64-mingw32-gcc
CGO_ENABLED=1 GOOS=windows GOARCH=amd64 CXX=x86_64-w64-mingw32-g++ CC=x86_64-w64-mingw32-gcc go build
#进行时，要把 pgDllTunnel.dll 也放到应用目录下